Run the following commands as root or user with sudo access to update the packages list and install the prerequisites:
sudo apt updatesudo apt install software-properties-commonCopyCopy
Add the deadsnakes PPA to your system’s sources list:
sudo add-apt-repository ppa:deadsnakes/ppaCopy
When prompted press Enter
to continue:
Press [ENTER] to continue or Ctrl-c to cancel adding it.Copy
Once the repository is enabled, install Python 3.8 with:
sudo apt install python3.8Copy
Verify that the installation was successful by typing:
python3.8 --versionCopy
Python 3.8.0Copy
At this point, Python 3.8 is installed on your Ubuntu system, and you can start using it
https://linuxize.com/post/how-to-install-python-3-8-on-ubuntu-18-04/